This looks like it could be quite a handy (and relatively lightweight) script for attaching events—like animations—to an item’s visibility, so the events only trigger when the item is scrolled into view.
Another great Zooniverse project: find planets by looking for tell-tale signs of light distortion from distant stars.
An experiment in human storytelling, using a photographic heartbeat of 3,214 images to document an Eskimo whale hunt in Barrow, Alaska.
A behind-the-scenes look at a Christmas tradition. I always suspected as much.